Hi Geert-san, > From: Geert Uytterhoeven, Sent: Monday, November 9, 2020 6:58 PM > > Hi Shimoda-san, > > CC devicetree > > On Fri, Nov 6, 2020 at 10:28 AM Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: > > After the commit 7320915c8861 ("mmc: Set PROBE_PREFER_ASYNCHRONOUS > > for drivers that existed in v4.14"), the order of /dev/mmcblkN > > was not fixed, so that we are hard to use the device as rootfs > > by using a kernel parameter like root=/dev/mmcblkN. So, add > > sdhi/mmc aliases. > > > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > > Thanks for your patch! > > > --- > > I'm afraid, but I only tested on r8a77951-salvator-xs. > > > > If possible, I would like to apply this patch into v5.10-stable > > because we are hard to use the device as rootfs as I described > > the commit description. > > Please don't add aliases for various devices. > You can specify the root file system to mount using PARTUUID= or > PARTLABEL= (by the kernel), or using UUID= or LABEL= (by an initramfs). > This is the same for /dev/sd*, which may change after a kernel > upgrade. Thank you for the reply! I understood we should not add aliases for various devices and we can specify the root file system by using other ways. Best regards, Yoshihiro Shimoda